dictlist = [{"1":"i like china"},{'2':"eat"},{"3":"i am a human"}]

def step(data):
    lst = []
    for i in data:
        for j in i.values():
            for k in j.split(" "):
                lst.append(k)

    return set(lst)

def hash():
    for i in step(dictlist):
        pass
        





print(step(dictlist))